Exhaustively complete: a thorough search. (adjective)
Painstakingly accurate or careful: thorough research. (adjective)
Absolute; utter: a thorough pleasure. (adjective)
Archaic Variant of through.(preposition)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "thorough" in a sentence
"A great authority on education says: "Any work that deserves thorough study, deserves the labor of making an Abstract, _without which, indeed, the study is not thorough_.""
"- In today's installment of TA Talks Back, I (Kara/Team Switzerland) give you my very long (I prefer to use the term thorough) review of The Twilight Saga: New Moon."
"After what he called a thorough investigation, President Bush today gave his OK for Doncasters to be taken over by Dubai International Capital."